import bpy
from bpy.props import IntProperty, FloatProperty

class ModalOperator(bpy.types.Operator):
    """Move an object with the mouse, example"""
    bl_idname = "object.modal_operator"
    bl_label = "Simple Modal Operator"

    first_mouse_x = IntProperty()
    first_value = FloatProperty()

    def modal(self, context, event):
        if event.type == 'MOUSEMOVE':
            pass
            #delta = self.first_mouse_x - event.mouse_x
            #context.object.location.x = self.first_value + delta * 0.01

        elif event.type == 'LEFTMOUSE':
            # or context.screen
            screen = context.window.screen       
            for i,a in enumerate(screen.areas):
                if (a.x < event.mouse_x < a.x + a.width
                and a.y < event.mouse_y < a.y + a.height):
                    print("Right Clicked in %s area of screen %s" % (a.type, screen.name))
                    access = 'bpy.context.screen.areas[%s]'%i
                    print(access)
                    context.window_manager.clipboard = access
            return {'FINISHED'}

        elif event.type in {'RIGHTMOUSE', 'ESC'}:
            pass
            #context.object.location.x = self.first_value
            return {'CANCELLED'}

        return {'RUNNING_MODAL'}

    def invoke(self, context, event):
        if context.object:
            self.first_mouse_x = event.mouse_x
            self.first_value = context.object.location.x

            context.window_manager.modal_handler_add(self)
            return {'RUNNING_MODAL'}
        else:
            self.report({'WARNING'}, "No active object, could not finish")
            return {'CANCELLED'}


def register():
    bpy.utils.register_class(ModalOperator)


def unregister():
    bpy.utils.unregister_class(ModalOperator)


if __name__ == "__main__":
    register()

    # test call
    bpy.ops.object.modal_operator('INVOKE_DEFAULT')